INDEX. 
< 
47 1 
Leptothyra philippii, 162, 258, 263, 267, 283, 
460 
Lias, 8 
Lichenoporidae, 68 
Lignites, 285, 286, 303, 306, 317 
Lima sp., 4, 12 
Limopsidae, 91 
Limopsis, 91 
araucaria , 91 
insolita, gi, 257, 260, 266, 272, 282, 298, 
299, 300, 301, 302 
Liotia, 162 
acrilla, 292 
(Lippistes) acrilla, 162 
roblini, 301 
scotti, 162, 258, 267, 292, 295, 301 
Lithophagus, 3, 6, 16 
Loriol, P. de, 51 
Lucina, I2g, 307 
borealis, 13 1, 291 
globosa, 13 1 
neglecta, 129, 144, 256, 303 
ortmanni, iji, 257, 263, 266, 269, 270, 
271 
prsecedens, 13 1 
promaucana, 130, 257, 261, 266, 270, 
271, 272, 275, 280, 281, 283, 291, 
296, 298, 303 
radula, 13 1 
Lucinidse, 129 
Lunatia, 10 
constricta, 5, 31 
pueyrrydonensis, 32 
Lutraria, 151 
undata, 1 5 1 
undatoides, 151, 256 
Lydekker, R., 314 
1 WTABILLE, J., 261, 263 
iV1 McClelland, J., 61 
McConnell, J. C., 5 
Macropodidae, 396, 426 
Macropus, 338 
Mactra, 10, 26, 149 
contortula, 1 5 1 
darwini, i^g, 257, 260, 267, 273, 277 
Mactra garretti, 130, 257, 273, 279, 292, 295, 
298 
indistincta, 1 50, 262, 264 
lamberti, 1 5 1 
levesquei, 1 5 1 
rugata, 260, 264 
sp-, 5. 25 
trinacria, 15 1, 292 
truncatula, 150, 298 
Mactridae, 26, 149 
Magellania, 73 
globosa , 73, 262, 288 
lenticularis, 73, 257, 262, 278, 288, 289, 
299 , 323 
patagonica, 76 
venosa, 73, 79 
venosa, 78 
Magellanian beds, 256, 285, 286, 303, 305, 
307 , 317 
Mallard, 306 
Malletia, 83 , 300, 323 
australis, 299 
ornata, 83, 257, 260, 266, 272, 298, 299 
volckmanni, 298 
Mannodon, 452 
trisulcatus, 452 
Margarita maculata, 164 
Marginella, 224 
bella, 224, 294 
confinis, 224, 262, 264, 270 
faunula, 224, 294 
gracilior, 223, 258, 262, 267, 270, 271, 
294, 296 
olivella, 223, 258, 267, 294, 296 
oliviformis, 225 
oliviformis, 225 
plicifera, 223, 258, 262, 267, 270, 271, 
283 
quemadensis, 224, 262, 264, 270 
sp., 277 
styria, 226, 294 
Marsupialia, 333 
Australian, 362 
carnivorous, 335, 342, 364, 397, 407 
of Santa Cruz, 371, 427 
Santa Cruz, 444 
